Home / 56,030.44-77,321.70-30,878.44

Finding the Fourth Proportional to 56,030.44, 77,321.70 and 30,878.44

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Solution

The fourth proportional to 56,030.44, 77,321.70 and 30,878.44 is: 42,612.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,030.44 : 77,321.70 = 30,878.44 : x
  2. Step 2: Convert to fraction form
    56,030.44/77,321.70 = 30,878.44/x
  3. Step 3: Cross multiply
    56,030.44x = 77,321.70 × 30,878.44
  4. Step 4: Simplify right side
    56,030.44x = 2,387,573,474.15
  5. Step 5: Solve for x
    x = 2,387,573,474.15/56,030.44
  6. Step 6: Final answer
    x = 42,612.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.